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100121102210111 = 1923947946499901
BaseRepresentation
bin10110110000111101000010…
…101110110101010000111111
3111010111111001202111012210212
4112300331002232311100333
5101110341004131210421
6552534555511223035
730042340151014223
oct2660750256652077
9433444052435725
10100121102210111
11299a1137056044
12b290182677a7b
1343b34c17a5c38
141aa1c5c6b0783
15b895a63e5e5b
hex5b0f42bb543f

100121102210111 has 32 divisors (see below), whose sum is σ = 106086067200000. Its totient is φ = 94227717830400.

The previous prime is 100121102210093. The next prime is 100121102210117. The reversal of 100121102210111 is 111012201121001.

It is not a de Polignac number, because 100121102210111 - 210 = 100121102209087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121102210117) 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, 10112216261 + ... + 10112226161.

It is an arithmetic number, because the mean of its divisors is an integer number (3315189600000).

Almost surely, 2100121102210111 is an apocalyptic number.

100121102210111 is a deficient number, since it is larger than the sum of its proper divisors (5964964989889).

100121102210111 is a wasteful number, since it uses less digits than its factorization.

100121102210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15287.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100121102210111 its reverse (111012201121001), we get a palindrome (211133303331112).

It can be divided in two parts, 10012110 and 2210111, that added together give a palindrome (12222221).

The spelling of 100121102210111 in words is "one hundred trillion, one hundred twenty-one billion, one hundred two million, two hundred ten thousand, one hundred eleven".

Divisors: 1 19 239 479 4541 4649 9101 9901 88331 114481 188119 1111111 2175139 2226871 2366339 4742579 21111109 42310549 44960441 46029749 90109001 532222169 874565231 1133476381 10112221211 11001110011 21536051239 22048249771 209021090209 418916745649 5269531695269 100121102210111