101220101210 has 16 divisors (see below), whose sum is σ = 182746629792. Its totient is φ = 40365718800.

The previous prime is 101220101201. The next prime is 101220101233. The reversal of 101220101210 is 12101022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220101191 and 101220101200.

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, 15286736 + ... + 15293355.

It is an arithmetic number, because the mean of its divisors is an integer number (11421664362).

Almost surely, 2^101220101210 is an apocalyptic number.

101220101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220101210 is a deficient number, since it is larger than the sum of its proper divisors (81526528582).

101220101210 is a wasteful number, since it uses less digits than its factorization.

101220101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30580429.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101220101210 its reverse (12101022101), we get a palindrome (113321123311).

The spelling of 101220101210 in words is "one hundred one billion, two hundred twenty million, one hundred one thousand, two hundred ten".