10211220112021 has 8 divisors (see below), whose sum is σ = 10680495444864. Its totient is φ = 9744053882640.

The previous prime is 10211220112019. The next prime is 10211220112033. The reversal of 10211220112021 is 12021102211201.

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

It is a cyclic number.

It is not a de Polignac number, because 10211220112021 - 2¹ = 10211220112019 is a prime.

It is a super-2 number, since 2×10211220112021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10211220111986 and 10211220112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211220142021) 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, 527265961 + ... + 527285326.

It is an arithmetic number, because the mean of its divisors is an integer number (1335061930608).

Almost surely, 2^{10211220112021} is an apocalyptic number.

It is an amenable number.

10211220112021 is a deficient number, since it is larger than the sum of its proper divisors (469275332843).

10211220112021 is a wasteful number, since it uses less digits than its factorization.

10211220112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054551731.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211220112021 its reverse (12021102211201), we get a palindrome (22232322323222).

The spelling of 10211220112021 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, one hundred twelve thousand, twenty-one".