102001211110220 has 96 divisors (see below), whose sum is σ = 221408948275200. Its totient is φ = 39448916538624.

The previous prime is 102001211110217. The next prime is 102001211110223. The reversal of 102001211110220 is 22011112100201.

It is an interprime number because it is at equal distance from previous prime (102001211110217) and next prime (102001211110223).

It is a junction number, because it is equal to n+sod(n) for n = 102001211110195 and 102001211110204.

It is not an unprimeable number, because it can be changed into a prime (102001211110223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1890319601 + ... + 1890373559.

It is an arithmetic number, because the mean of its divisors is an integer number (2306343211200).

Almost surely, 2^{102001211110220} is an apocalyptic number.

102001211110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001211110220 is an abundant number, since it is smaller than the sum of its proper divisors (119407737164980).

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

102001211110220 is a wasteful number, since it uses less digits than its factorization.

102001211110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78327 (or 78325 counting only the distinct ones).

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

Adding to 102001211110220 its reverse (22011112100201), we get a palindrome (124012323210421).

The spelling of 102001211110220 in words is "one hundred two trillion, one billion, two hundred eleven million, one hundred ten thousand, two hundred twenty".