1221132000102 has 32 divisors (see below), whose sum is σ = 2881196242944. Its totient is φ = 337640184000.

The previous prime is 1221132000059. The next prime is 1221132000107. The reversal of 1221132000102 is 2010002311221.

It is a super-2 number, since 2×1221132000102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221132000107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468943399 + ... + 468946002.

It is an arithmetic number, because the mean of its divisors is an integer number (90037382592).

Almost surely, 2^{1221132000102} is an apocalyptic number.

1221132000102 is an abundant number, since it is smaller than the sum of its proper divisors (1660064242842).

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

1221132000102 is a wasteful number, since it uses less digits than its factorization.

1221132000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937889444.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1221132000102 its reverse (2010002311221), we get a palindrome (3231134311323).

The spelling of 1221132000102 in words is "one trillion, two hundred twenty-one billion, one hundred thirty-two million, one hundred two", and thus it is an aban number.