220212210201021 has 48 divisors (see below), whose sum is σ = 330398026742784. Its totient is φ = 146571133295664.

The previous prime is 220212210200987. The next prime is 220212210201037. The reversal of 220212210201021 is 120102012212022.

It is a happy number.

220212210201021 is a `hidden beast` number, since 2 + 20 + 212 + 210 + 201 + 0 + 21 = 666.

It is not a de Polignac number, because 220212210201021 - 2²² = 220212206006717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220212210200985 and 220212210201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212210201091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 559565706 + ... + 559959108.

It is an arithmetic number, because the mean of its divisors is an integer number (6883292223808).

Almost surely, 2^{220212210201021} is an apocalyptic number.

It is an amenable number.

220212210201021 is a deficient number, since it is larger than the sum of its proper divisors (110185816541763).

220212210201021 is an equidigital number, since it uses as much as digits as its factorization.

220212210201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397132 (or 397120 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220212210201021 its reverse (120102012212022), we get a palindrome (340314222413043).

The spelling of 220212210201021 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, twenty-one".