20220211101111 has 64 divisors (see below), whose sum is σ = 32189269432320. Its totient is φ = 11045750446080.

The previous prime is 20220211101031. The next prime is 20220211101121. The reversal of 20220211101111 is 11110111202202.

It is a happy number.

It is not a de Polignac number, because 20220211101111 - 2¹³ = 20220211092919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220211101121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 409018051 + ... + 409067483.

It is an arithmetic number, because the mean of its divisors is an integer number (502957334880).

Almost surely, 2^{20220211101111} is an apocalyptic number.

20220211101111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20220211101111 is a deficient number, since it is larger than the sum of its proper divisors (11969058331209).

20220211101111 is a wasteful number, since it uses less digits than its factorization.

20220211101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56096.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20220211101111 its reverse (11110111202202), we get a palindrome (31330322303313).

The spelling of 20220211101111 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, one hundred one thousand, one hundred eleven".