1022211102540 has 48 divisors (see below), whose sum is σ = 2986634181888. Its totient is φ = 260737904064.

The previous prime is 1022211102529. The next prime is 1022211102559. The reversal of 1022211102540 is 452011122201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370364962 + ... + 370367721.

It is an arithmetic number, because the mean of its divisors is an integer number (62221545456).

Almost surely, 2^{1022211102540} is an apocalyptic number.

1022211102540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022211102540 is an abundant number, since it is smaller than the sum of its proper divisors (1964423079348).

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

1022211102540 is a wasteful number, since it uses less digits than its factorization.

1022211102540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740732718 (or 740732716 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 1022211102540 its reverse (452011122201), we get a palindrome (1474222224741).

The spelling of 1022211102540 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred two thousand, five hundred forty".