102110022011021 has 2 divisors, whose sum is σ = 102110022011022. Its totient is φ = 102110022011020.

The previous prime is 102110022010973. The next prime is 102110022011059. The reversal of 102110022011021 is 120110220011201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54701481642025 + 47408540368996 = 7396045^2 + 6885386^2 .

It is a cyclic number.

It is not a de Polignac number, because 102110022011021 - 2⁶ = 102110022010957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102110022010987 and 102110022011005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102110028011021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055011005510 + 51055011005511.

It is an arithmetic number, because the mean of its divisors is an integer number (51055011005511).

Almost surely, 2^{102110022011021} is an apocalyptic number.

It is an amenable number.

102110022011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110022011021 is an equidigital number, since it uses as much as digits as its factorization.

102110022011021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102110022011021 its reverse (120110220011201), we get a palindrome (222220242022222).

The spelling of 102110022011021 in words is "one hundred two trillion, one hundred ten billion, twenty-two million, eleven thousand, twenty-one".