22021220001011 has 16 divisors (see below), whose sum is σ = 27721581209088. Its totient is φ = 16992796161600.

The previous prime is 22021220000959. The next prime is 22021220001017. The reversal of 22021220001011 is 11010002212022.

It is a de Polignac number, because none of the positive numbers 2^k-22021220001011 is a prime.

It is a super-4 number, since 4×22021220001011⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021220001017) 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, 1388292410 + ... + 1388308271.

It is an arithmetic number, because the mean of its divisors is an integer number (1732598825568).

Almost surely, 2^{22021220001011} is an apocalyptic number.

22021220001011 is a deficient number, since it is larger than the sum of its proper divisors (5700361208077).

22021220001011 is a wasteful number, since it uses less digits than its factorization.

22021220001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776600802.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021220001011 its reverse (11010002212022), we get a palindrome (33031222213033).

The spelling of 22021220001011 in words is "twenty-two trillion, twenty-one billion, two hundred twenty million, one thousand, eleven".