20110212222000 has 160 divisors (see below), whose sum is σ = 66343123292160. Its totient is φ = 5238008697600.

The previous prime is 20110212221963. The next prime is 20110212222011. The reversal of 20110212222000 is 22221201102.

It is a super-2 number, since 2×20110212222000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38715280 + ... + 39231279.

It is an arithmetic number, because the mean of its divisors is an integer number (414644520576).

Almost surely, 2^{20110212222000} is an apocalyptic number.

20110212222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110212222000 is an abundant number, since it is smaller than the sum of its proper divisors (46232911070160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110212222000 is a wasteful number, since it uses less digits than its factorization.

20110212222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77946628 (or 77946612 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20110212222000 its reverse (22221201102), we get a palindrome (20132433423102).

The spelling of 20110212222000 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, two hundred twenty-two thousand".