211401402330 has 16 divisors (see below), whose sum is σ = 507363365664. Its totient is φ = 56373707280.

The previous prime is 211401402313. The next prime is 211401402347. The reversal of 211401402330 is 33204104112.

It is an interprime number because it is at equal distance from previous prime (211401402313) and next prime (211401402347).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211401402297 and 211401402306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3523356676 + ... + 3523356735.

It is an arithmetic number, because the mean of its divisors is an integer number (31710210354).

Almost surely, 2^211401402330 is an apocalyptic number.

211401402330 is an abundant number, since it is smaller than the sum of its proper divisors (295961963334).

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

211401402330 is a wasteful number, since it uses less digits than its factorization.

211401402330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046713421.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 211401402330 its reverse (33204104112), we get a palindrome (244605506442).

The spelling of 211401402330 in words is "two hundred eleven billion, four hundred one million, four hundred two thousand, three hundred thirty".