201101022012222 has 48 divisors (see below), whose sum is σ = 436824082358352. Its totient is φ = 66863648966400.

The previous prime is 201101022012211. The next prime is 201101022012307. The reversal of 201101022012222 is 222210220101102.

It is a happy number.

201101022012222 is a `hidden beast` number, since 201 + 1 + 0 + 10 + 220 + 12 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201101022012195 and 201101022012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468927718 + ... + 469356374.

It is an arithmetic number, because the mean of its divisors is an integer number (9100501715799).

Almost surely, 2^{201101022012222} is an apocalyptic number.

201101022012222 is an abundant number, since it is smaller than the sum of its proper divisors (235723060346130).

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

201101022012222 is a wasteful number, since it uses less digits than its factorization.

201101022012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494713 (or 494710 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201101022012222 its reverse (222210220101102), we get a palindrome (423311242113324).

The spelling of 201101022012222 in words is "two hundred one trillion, one hundred one billion, twenty-two million, twelve thousand, two hundred twenty-two".