102120201119957 has 2 divisors, whose sum is σ = 102120201119958. Its totient is φ = 102120201119956.

The previous prime is 102120201119929. The next prime is 102120201120017. The reversal of 102120201119957 is 759911102021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100323981986596 + 1796219133361 = 10016186^2 + 1340231^2 .

It is a cyclic number.

It is not a de Polignac number, because 102120201119957 - 2²⁸ = 102119932684501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102120201119917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060100559978 + 51060100559979.

It is an arithmetic number, because the mean of its divisors is an integer number (51060100559979).

Almost surely, 2^{102120201119957} is an apocalyptic number.

It is an amenable number.

102120201119957 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120201119957 is an equidigital number, since it uses as much as digits as its factorization.

102120201119957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 41.

The spelling of 102120201119957 in words is "one hundred two trillion, one hundred twenty billion, two hundred one million, one hundred nineteen thousand, nine hundred fifty-seven".