101211010122010 has 16 divisors (see below), whose sum is σ = 182464030116072. Its totient is φ = 40421245849600.

The previous prime is 101211010121983. The next prime is 101211010122073. The reversal of 101211010122010 is 10221010112101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 101180402969409 + 30607152601 = 10058847^2 + 174949^2 .

It is a super-2 number, since 2×101211010122010² (a number of 29 digits) contains 22 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, 7894768171 + ... + 7894780990.

Almost surely, 2^{101211010122010} is an apocalyptic number.

101211010122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211010122010 is a deficient number, since it is larger than the sum of its proper divisors (81253019994062).

101211010122010 is a wasteful number, since it uses less digits than its factorization.

101211010122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789549809.

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

Adding to 101211010122010 its reverse (10221010112101), we get a palindrome (111432020234111).

Subtracting from 101211010122010 its reverse (10221010112101), we obtain a palindrome (90990000009909).

The spelling of 101211010122010 in words is "one hundred one trillion, two hundred eleven billion, ten million, one hundred twenty-two thousand, ten".