4021211311031 has 16 divisors (see below), whose sum is σ = 4153355374080. Its totient is φ = 3890993379840.

The previous prime is 4021211310997. The next prime is 4021211311063. The reversal of 4021211311031 is 1301131121204.

It is a cyclic number.

It is not a de Polignac number, because 4021211311031 - 2²² = 4021207116727 is a prime.

It is a super-2 number, since 2×4021211311031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021211310994 and 4021211311012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021211311631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969776 + ... + 2997146.

It is an arithmetic number, because the mean of its divisors is an integer number (259584710880).

Almost surely, 2^{4021211311031} is an apocalyptic number.

4021211311031 is a deficient number, since it is larger than the sum of its proper divisors (132144063049).

4021211311031 is a wasteful number, since it uses less digits than its factorization.

4021211311031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027846.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 4021211311031 its reverse (1301131121204), we get a palindrome (5322342432235).

The spelling of 4021211311031 in words is "four trillion, twenty-one billion, two hundred eleven million, three hundred eleven thousand, thirty-one".