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121100010112131 = 33114974891166947
BaseRepresentation
bin11011100010001111001011…
…000101011100010010000011
3120212210001021220212112220120
4123202033023011130102003
5111333100310042042011
61105320324315111323
734336121066646141
oct3342171305342203
9525701256775816
10121100010112131
113564a253701636
12116b9bb0442543
1352758b333584b
1421c93b3a0a591
15e00150e52a06
hex6e23cb15c483

121100010112131 has 32 divisors (see below), whose sum is σ = 167816457984000. Its totient is φ = 77594253834240.

The previous prime is 121100010112097. The next prime is 121100010112157. The reversal of 121100010112131 is 131211010001121.

It is not a de Polignac number, because 121100010112131 - 213 = 121100010103939 is a prime.

It is a super-2 number, since 2×1211000101121312 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121100010112131.

It is not an unprimeable number, because it can be changed into a prime (121100010112171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103191600 + ... + 104358546.

It is an arithmetic number, because the mean of its divisors is an integer number (5244264312000).

Almost surely, 2121100010112131 is an apocalyptic number.

121100010112131 is a deficient number, since it is larger than the sum of its proper divisors (46716447871869).

121100010112131 is a wasteful number, since it uses less digits than its factorization.

121100010112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174619.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 121100010112131 its reverse (131211010001121), we get a palindrome (252311020113252).

The spelling of 121100010112131 in words is "one hundred twenty-one trillion, one hundred billion, ten million, one hundred twelve thousand, one hundred thirty-one".

Divisors: 1 3 31 93 149 447 4619 7489 13857 22467 232159 696477 1115861 1166947 3347583 3500841 34591691 36175357 103775073 108526071 173875103 521625309 5390128193 8739266083 16170384579 26217798249 270917248573 812751745719 1302150646367 3906451939101 40366670037377 121100010112131