1222101021132 has 36 divisors (see below), whose sum is σ = 3089234801016. Its totient is φ = 407362392000.

The previous prime is 1222101021131. The next prime is 1222101021217. The reversal of 1222101021132 is 2311201012221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1222101021132² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1222101021131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4817368 + ... + 5064704.

It is an arithmetic number, because the mean of its divisors is an integer number (85812077806).

Almost surely, 2^{1222101021132} is an apocalyptic number.

1222101021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222101021132 is an abundant number, since it is smaller than the sum of its proper divisors (1867133779884).

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

1222101021132 is a wasteful number, since it uses less digits than its factorization.

1222101021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384598 (or 384593 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1222101021132 its reverse (2311201012221), we get a palindrome (3533302033353).

The spelling of 1222101021132 in words is "one trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, one hundred thirty-two".