102110220210100 has 18 divisors (see below), whose sum is σ = 221579177856134. Its totient is φ = 40844088084000.

The previous prime is 102110220210071. The next prime is 102110220210101. The reversal of 102110220210100 is 1012022011201.

It can be written as a sum of positive squares in 3 ways, for example, as 15558196694544 + 86552023515556 = 3944388^2 + 9303334^2 .

It is a super-2 number, since 2×102110220210100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110220210101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510551100951 + ... + 510551101150.

Almost surely, 2^{102110220210100} is an apocalyptic number.

102110220210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110220210100 is an abundant number, since it is smaller than the sum of its proper divisors (119468957646034).

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

102110220210100 is a wasteful number, since it uses less digits than its factorization.

102110220210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021102202115 (or 1021102202108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102110220210100 its reverse (1012022011201), we get a palindrome (103122242221301).

The spelling of 102110220210100 in words is "one hundred two trillion, one hundred ten billion, two hundred twenty million, two hundred ten thousand, one hundred".