2212110012021 has 32 divisors (see below), whose sum is σ = 3679857081600. Its totient is φ = 1150843313664.

The previous prime is 2212110012019. The next prime is 2212110012059. The reversal of 2212110012021 is 1202100112122.

It is not a de Polignac number, because 2212110012021 - 2¹ = 2212110012019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212110010021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55479846 + ... + 55519703.

It is an arithmetic number, because the mean of its divisors is an integer number (114995533800).

Almost surely, 2^{2212110012021} is an apocalyptic number.

2212110012021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2212110012021 is a deficient number, since it is larger than the sum of its proper divisors (1467747069579).

2212110012021 is a wasteful number, since it uses less digits than its factorization.

2212110012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110999645.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2212110012021 its reverse (1202100112122), we get a palindrome (3414210124143).

The spelling of 2212110012021 in words is "two trillion, two hundred twelve billion, one hundred ten million, twelve thousand, twenty-one".