21120022211110 has 8 divisors (see below), whose sum is σ = 38016039980016. Its totient is φ = 8448008884440.

The previous prime is 21120022211089. The next prime is 21120022211131. The reversal of 21120022211110 is 1111222002112.

It is an interprime number because it is at equal distance from previous prime (21120022211089) and next prime (21120022211131).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056001110546 + ... + 1056001110565.

It is an arithmetic number, because the mean of its divisors is an integer number (4752004997502).

Almost surely, 2^{21120022211110} is an apocalyptic number.

21120022211110 is a deficient number, since it is larger than the sum of its proper divisors (16896017768906).

21120022211110 is a wasteful number, since it uses less digits than its factorization.

21120022211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112002221118.

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

Adding to 21120022211110 its reverse (1111222002112), we get a palindrome (22231244213222).

The spelling of 21120022211110 in words is "twenty-one trillion, one hundred twenty billion, twenty-two million, two hundred eleven thousand, one hundred ten".