220212001002021 has 12 divisors (see below), whose sum is σ = 341553307676832. Its totient is φ = 125835429143928.

The previous prime is 220212001001983. The next prime is 220212001002031. The reversal of 220212001002021 is 120200100212022.

It is not a de Polignac number, because 220212001002021 - 2¹⁴ = 220212000985637 is a prime.

It is a super-3 number, since 3×220212001002021³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212001002031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749020411425 + ... + 749020411718.

It is an arithmetic number, because the mean of its divisors is an integer number (28462775639736).

Almost surely, 2^{220212001002021} is an apocalyptic number.

220212001002021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220212001002021 is a deficient number, since it is larger than the sum of its proper divisors (121341306674811).

220212001002021 is a wasteful number, since it uses less digits than its factorization.

220212001002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498040823160 (or 1498040823153 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220212001002021 its reverse (120200100212022), we get a palindrome (340412101214043).

The spelling of 220212001002021 in words is "two hundred twenty trillion, two hundred twelve billion, one million, two thousand, twenty-one".