102001212020022 has 32 divisors (see below), whose sum is σ = 233164063544832. Its totient is φ = 29140898925504.

The previous prime is 102001212020009. The next prime is 102001212020023. The reversal of 102001212020022 is 220020212100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001212019983 and 102001212020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001212020023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95483703 + ... + 96546050.

It is an arithmetic number, because the mean of its divisors is an integer number (7286376985776).

Almost surely, 2^{102001212020022} is an apocalyptic number.

102001212020022 is an abundant number, since it is smaller than the sum of its proper divisors (131162851524810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001212020022 is a wasteful number, since it uses less digits than its factorization.

102001212020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192042412.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102001212020022 its reverse (220020212100201), we get a palindrome (322021424120223).

The spelling of 102001212020022 in words is "one hundred two trillion, one billion, two hundred twelve million, twenty thousand, twenty-two".