213301211001220 has 48 divisors (see below), whose sum is σ = 471511084564800. Its totient is φ = 80829393540480.

The previous prime is 213301211001217. The next prime is 213301211001227. The reversal of 213301211001220 is 22100112103312.

It is a super-2 number, since 2×213301211001220² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (213301211001227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57673126 + ... + 61260034.

It is an arithmetic number, because the mean of its divisors is an integer number (9823147595100).

Almost surely, 2^{213301211001220} is an apocalyptic number.

213301211001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213301211001220 is an abundant number, since it is smaller than the sum of its proper divisors (258209873563580).

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

213301211001220 is a wasteful number, since it uses less digits than its factorization.

213301211001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743428 (or 3743426 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213301211001220 its reverse (22100112103312), we get a palindrome (235401323104532).

The spelling of 213301211001220 in words is "two hundred thirteen trillion, three hundred one billion, two hundred eleven million, one thousand, two hundred twenty".