102120111121202 has 16 divisors (see below), whose sum is σ = 158180839828992. Its totient is φ = 49394401541760.

The previous prime is 102120111121157. The next prime is 102120111121243. The reversal of 102120111121202 is 202121111021201.

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, 309091103 + ... + 309421314.

It is an arithmetic number, because the mean of its divisors is an integer number (9886302489312).

Almost surely, 2^{102120111121202} is an apocalyptic number.

102120111121202 is a deficient number, since it is larger than the sum of its proper divisors (56060728707790).

102120111121202 is a wasteful number, since it uses less digits than its factorization.

102120111121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618515113.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102120111121202 its reverse (202121111021201), we get a palindrome (304241222142403).

The spelling of 102120111121202 in words is "one hundred two trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty-one thousand, two hundred two".