21112012101202 has 8 divisors (see below), whose sum is σ = 34546928892912. Its totient is φ = 9596369136900.

The previous prime is 21112012101181. The next prime is 21112012101203. The reversal of 21112012101202 is 20210121021112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21112012101202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21112012101203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479818456824 + ... + 479818456867.

It is an arithmetic number, because the mean of its divisors is an integer number (4318366111614).

Almost surely, 2^{21112012101202} is an apocalyptic number.

21112012101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21112012101202 is a deficient number, since it is larger than the sum of its proper divisors (13434916791710).

21112012101202 is a wasteful number, since it uses less digits than its factorization.

21112012101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959636913704.

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

Adding to 21112012101202 its reverse (20210121021112), we get a palindrome (41322133122314).

The spelling of 21112012101202 in words is "twenty-one trillion, one hundred twelve billion, twelve million, one hundred one thousand, two hundred two".