2221012531402 has 32 divisors (see below), whose sum is σ = 3843599864832. Its totient is φ = 942835832064.

The previous prime is 2221012531393. The next prime is 2221012531421. The reversal of 2221012531402 is 2041352101222.

It is an unprimeable number.

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, 2031028 + ... + 2926960.

It is an arithmetic number, because the mean of its divisors is an integer number (120112495776).

Almost surely, 2^{2221012531402} is an apocalyptic number.

2221012531402 is a deficient number, since it is larger than the sum of its proper divisors (1622587333430).

2221012531402 is a wasteful number, since it uses less digits than its factorization.

2221012531402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897622.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2221012531402 its reverse (2041352101222), we get a palindrome (4262364632624).

The spelling of 2221012531402 in words is "two trillion, two hundred twenty-one billion, twelve million, five hundred thirty-one thousand, four hundred two".