101042212420 has 48 divisors (see below), whose sum is σ = 223811784000. Its totient is φ = 38211626880.

The previous prime is 101042212393. The next prime is 101042212451. The reversal of 101042212420 is 24212240101.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84195 + ... + 457354.

It is an arithmetic number, because the mean of its divisors is an integer number (4662745500).

Almost surely, 2^101042212420 is an apocalyptic number.

101042212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101042212420 is an abundant number, since it is smaller than the sum of its proper divisors (122769571580).

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

101042212420 is a wasteful number, since it uses less digits than its factorization.

101042212420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542068 (or 542066 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101042212420 its reverse (24212240101), we get a palindrome (125254452521).

The spelling of 101042212420 in words is "one hundred one billion, forty-two million, two hundred twelve thousand, four hundred twenty".