102120222101012 has 6 divisors (see below), whose sum is σ = 178710388676778. Its totient is φ = 51060111050504.

The previous prime is 102120222100993. The next prime is 102120222101033. The reversal of 102120222101012 is 210101222021201.

It can be written as a sum of positive squares in only one way, i.e., 92366630891536 + 9753591209476 = 9610756^2 + 3123074^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765027762623 + ... + 12765027762630.

It is an arithmetic number, because the mean of its divisors is an integer number (29785064779463).

Almost surely, 2^{102120222101012} is an apocalyptic number.

It is an amenable number.

102120222101012 is a deficient number, since it is larger than the sum of its proper divisors (76590166575766).

102120222101012 is a wasteful number, since it uses less digits than its factorization.

102120222101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530055525257 (or 25530055525255 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102120222101012 its reverse (210101222021201), we get a palindrome (312221444122213).

The spelling of 102120222101012 in words is "one hundred two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred one thousand, twelve".