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121031233102 = 21312313781517
BaseRepresentation
bin111000010111000000…
…1100000111001001110
3102120101212121200101001
41300232001200321032
53440332443424402
6131333451210514
711513160335623
oct1605601407116
9376355550331
10121031233102
1147368a8088a
121b559146a3a
13b54aa3b880
145c022a434a
1532357a6187
hex1c2e060e4e

121031233102 has 16 divisors (see below), whose sum is σ = 195670867392. Its totient is φ = 55815176160.

The previous prime is 121031233091. The next prime is 121031233123. The reversal of 121031233102 is 201332130121.

It is a self number, because there is not a number n which added to its sum of digits gives 121031233102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858753 + ... + 1922764.

It is an arithmetic number, because the mean of its divisors is an integer number (12229429212).

Almost surely, 2121031233102 is an apocalyptic number.

121031233102 is a deficient number, since it is larger than the sum of its proper divisors (74639634290).

121031233102 is a wasteful number, since it uses less digits than its factorization.

121031233102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782763.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121031233102 its reverse (201332130121), we get a palindrome (322363363223).

The spelling of 121031233102 in words is "one hundred twenty-one billion, thirty-one million, two hundred thirty-three thousand, one hundred two".

Divisors: 1 2 13 26 1231 2462 16003 32006 3781517 7563034 49159721 98319442 4655047427 9310094854 60515616551 121031233102