102101021011210 has 64 divisors (see below), whose sum is σ = 198107471237760. Its totient is φ = 37662937079040.

The previous prime is 102101021011201. The next prime is 102101021011217. The reversal of 102101021011210 is 12110120101201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (102101021011217) 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, 611633236 + ... + 611800144.

It is an arithmetic number, because the mean of its divisors is an integer number (3095429238090).

Almost surely, 2^{102101021011210} is an apocalyptic number.

102101021011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101021011210 is a deficient number, since it is larger than the sum of its proper divisors (96006450226550).

102101021011210 is a wasteful number, since it uses less digits than its factorization.

102101021011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171383.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102101021011210 its reverse (12110120101201), we get a palindrome (114211141112411).

The spelling of 102101021011210 in words is "one hundred two trillion, one hundred one billion, twenty-one million, eleven thousand, two hundred ten".