101211414520 has 16 divisors (see below), whose sum is σ = 227725682760. Its totient is φ = 40484565792.

The previous prime is 101211414503. The next prime is 101211414541. The reversal of 101211414520 is 25414112101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101211414491 and 101211414500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265142642 + ... + 1265142721.

Almost surely, 2^101211414520 is an apocalyptic number.

101211414520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101211414520 is an abundant number, since it is smaller than the sum of its proper divisors (126514268240).

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

101211414520 is a wasteful number, since it uses less digits than its factorization.

101211414520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530285374 (or 2530285370 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 101211414520 its reverse (25414112101), we get a palindrome (126625526621).

The spelling of 101211414520 in words is "one hundred one billion, two hundred eleven million, four hundred fourteen thousand, five hundred twenty".