102121012222022 has 4 divisors (see below), whose sum is σ = 153181518333036. Its totient is φ = 51060506111010.

The previous prime is 102121012222003. The next prime is 102121012222039. The reversal of 102121012222022 is 220222210121201.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×102121012222022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102121012221985 and 102121012222003.

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, 25530253055504 + ... + 25530253055507.

It is an arithmetic number, because the mean of its divisors is an integer number (38295379583259).

Almost surely, 2^{102121012222022} is an apocalyptic number.

102121012222022 is a deficient number, since it is larger than the sum of its proper divisors (51060506111014).

102121012222022 is an equidigital number, since it uses as much as digits as its factorization.

102121012222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51060506111013.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102121012222022 its reverse (220222210121201), we get a palindrome (322343222343223).

The spelling of 102121012222022 in words is "one hundred two trillion, one hundred twenty-one billion, twelve million, two hundred twenty-two thousand, twenty-two".