220212210121001 has 8 divisors (see below), whose sum is σ = 251676530144640. Its totient is φ = 188749248313248.

The previous prime is 220212210120971. The next prime is 220212210121003. The reversal of 220212210121001 is 100121012212022.

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

It is not a de Polignac number, because 220212210121001 - 2¹⁸ = 220212209858857 is a prime.

It is a super-2 number, since 2×220212210121001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220212210121003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339206516 + ... + 339855093.

It is an arithmetic number, because the mean of its divisors is an integer number (31459566268080).

Almost surely, 2^{220212210121001} is an apocalyptic number.

It is an amenable number.

220212210121001 is a deficient number, since it is larger than the sum of its proper divisors (31464320023639).

220212210121001 is an equidigital number, since it uses as much as digits as its factorization.

220212210121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679107943.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220212210121001 its reverse (100121012212022), we get a palindrome (320333222333023).

The spelling of 220212210121001 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, one".