101210101210 has 64 divisors (see below), whose sum is σ = 190890756000. Its totient is φ = 38586240000.

The previous prime is 101210101081. The next prime is 101210101219. The reversal of 101210101210 is 12101012101.

101210101210 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 16 ways, for example, as 75340917289 + 25869183921 = 274483^2 + 160839^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (101210101219) 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, 10217260 + ... + 10227160.

Almost surely, 2^101210101210 is an apocalyptic number.

101210101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101210101210 is a deficient number, since it is larger than the sum of its proper divisors (89680654790).

101210101210 is a wasteful number, since it uses less digits than its factorization.

101210101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101210101210 its reverse (12101012101), we get a palindrome (113311113311).

The spelling of 101210101210 in words is "one hundred one billion, two hundred ten million, one hundred one thousand, two hundred ten".