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121101211102 = 21371361324743
BaseRepresentation
bin111000011001000110…
…0011101010111011110
3102120120202021221010211
41300302030131113132
53441003402223402
6131344431123034
711515000211254
oct1606214352736
9376522257124
10121101211102
11473a4527343
121b57867347a
13b55c3a0381
145c0b6bc5d4
15323b9ca4d7
hex1c3231d5de

121101211102 has 16 divisors (see below), whose sum is σ = 183112749792. Its totient is φ = 60064280320.

The previous prime is 121101211097. The next prime is 121101211103. The reversal of 121101211102 is 201112101121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101211103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210543 + ... + 535285.

It is an arithmetic number, because the mean of its divisors is an integer number (11444546862).

Almost surely, 2121101211102 is an apocalyptic number.

121101211102 is a deficient number, since it is larger than the sum of its proper divisors (62011538690).

121101211102 is a wasteful number, since it uses less digits than its factorization.

121101211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326243.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121101211102 its reverse (201112101121), we get a palindrome (322213312223).

The spelling of 121101211102 in words is "one hundred twenty-one billion, one hundred one million, two hundred eleven thousand, one hundred two".

Divisors: 1 2 137 274 1361 2722 186457 324743 372914 649486 44489791 88979582 441975223 883950446 60550605551 121101211102