102110220021002 has 16 divisors (see below), whose sum is σ = 156396795379272. Its totient is φ = 49988164896000.

The previous prime is 102110220020953. The next prime is 102110220021023. The reversal of 102110220021002 is 200120022011201.

It can be written as a sum of positive squares in 4 ways, for example, as 60028389344401 + 42081830676601 = 7747799^2 + 6487051^2 .

It is a super-3 number, since 3×102110220021002³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552480249 + ... + 2552520252.

Almost surely, 2^{102110220021002} is an apocalyptic number.

102110220021002 is a deficient number, since it is larger than the sum of its proper divisors (54286575358270).

102110220021002 is a wasteful number, since it uses less digits than its factorization.

102110220021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105000713.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102110220021002 its reverse (200120022011201), we get a palindrome (302230242032203).

The spelling of 102110220021002 in words is "one hundred two trillion, one hundred ten billion, two hundred twenty million, twenty-one thousand, two".