1402020121401 has 32 divisors (see below), whose sum is σ = 2081318467200. Its totient is φ = 932767617600.

The previous prime is 1402020121379. The next prime is 1402020121421. The reversal of 1402020121401 is 1041210202041.

1402020121401 is a `hidden beast` number, since 1 + 40 + 2 + 0 + 201 + 21 + 401 = 666.

It is not a de Polignac number, because 1402020121401 - 2¹⁵ = 1402020088633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402020121421) 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, 100850551 + ... + 100864451.

It is an arithmetic number, because the mean of its divisors is an integer number (65041202100).

Almost surely, 2^{1402020121401} is an apocalyptic number.

It is an amenable number.

1402020121401 is a deficient number, since it is larger than the sum of its proper divisors (679298345799).

1402020121401 is a wasteful number, since it uses less digits than its factorization.

1402020121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21286 (or 21280 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1402020121401 its reverse (1041210202041), we get a palindrome (2443230323442).

The spelling of 1402020121401 in words is "one trillion, four hundred two billion, twenty million, one hundred twenty-one thousand, four hundred one".