10101222121210 has 128 divisors (see below), whose sum is σ = 20454362155008. Its totient is φ = 3560762880000.

The previous prime is 10101222121189. The next prime is 10101222121229. The reversal of 10101222121210 is 1212122210101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111065655 + ... + 111156565.

It is an arithmetic number, because the mean of its divisors is an integer number (159799704336).

Almost surely, 2^{10101222121210} is an apocalyptic number.

10101222121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101222121210 is an abundant number, since it is smaller than the sum of its proper divisors (10353140033798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101222121210 is a wasteful number, since it uses less digits than its factorization.

10101222121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91240.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10101222121210 its reverse (1212122210101), we get a palindrome (11313344331311).

It can be divided in two parts, 101012 and 22121210, that added together give a palindrome (22222222).

The spelling of 10101222121210 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".