102111020021210 has 16 divisors (see below), whose sum is σ = 184023165136896. Its totient is φ = 40794779319888.

The previous prime is 102111020021209. The next prime is 102111020021233. The reversal of 102111020021210 is 12120020111201.

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, 6203577434 + ... + 6203593893.

It is an arithmetic number, because the mean of its divisors is an integer number (11501447821056).

Almost surely, 2^{102111020021210} is an apocalyptic number.

102111020021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111020021210 is a deficient number, since it is larger than the sum of its proper divisors (81912145115686).

102111020021210 is a wasteful number, since it uses less digits than its factorization.

102111020021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407172157.

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

Adding to 102111020021210 its reverse (12120020111201), we get a palindrome (114231040132411).

The spelling of 102111020021210 in words is "one hundred two trillion, one hundred eleven billion, twenty million, twenty-one thousand, two hundred ten".