1402142222421 has 32 divisors (see below), whose sum is σ = 2126735654400. Its totient is φ = 912591129600.

The previous prime is 1402142222407. The next prime is 1402142222477. The reversal of 1402142222421 is 1242222412041.

1402142222421 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 14 + 2 + 222 + 421 = 666.

It is not a de Polignac number, because 1402142222421 - 2⁶ = 1402142222357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402142242421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 868836 + ... + 1886573.

It is an arithmetic number, because the mean of its divisors is an integer number (66460489200).

Almost surely, 2^{1402142222421} is an apocalyptic number.

It is an amenable number.

1402142222421 is a deficient number, since it is larger than the sum of its proper divisors (724593431979).

1402142222421 is a wasteful number, since it uses less digits than its factorization.

1402142222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755866 (or 2755860 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1402142222421 its reverse (1242222412041), we get a palindrome (2644364634462).

The spelling of 1402142222421 in words is "one trillion, four hundred two billion, one hundred forty-two million, two hundred twenty-two thousand, four hundred twenty-one".